APHY 101 midterm study guide. latest 2023

Study Guide for Statewide APHY101 Online Midterm Exam NOTE: The midterm exam will pull: 40 questions from Chapters 1, 2, and 3 combined, 16 questions from Ch. 4, 19 questions from Ch. 5, & 25 questions from Ch. 6. Chapter 1  Explain the difference between the study of Anatomy and the study of Physiology? 1. Anatomy – “a cutting up” examines the structures, or morphology, of body parts their forms & organization 2. “ Relationship to nature” considers the functions of the body parts what they do & how they do it  Name and define the levels of organization of life? Simplest to most complex 1. Organelle, cells, tissues, organs, organ system, organism  Define metabolism. 1. Physiological events that obtain,release, & use energy are largely part of metabolism of all the chemical reactions in an organism that support life  Define homeostasis? How does a homeostatic mechanism maintain homeostasis? 1. Tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological process  What is meant by negative feedback? How does negative feedback affect homeostatic mechanisms? 2. Negative feedback is a reaction that causes a decrease in function. It occurs in response to some kind of stimulus. Often it causes the output of a system to be lessened; so, the feedback tends to stabilize the system. This can be referred to as homeostatis, as in biology, or equilibrium, as in mechanics